Canadian air freight climbed to a peak in the late nineties, fell for a decade and had only partly recovered when the record stops, in the mid twenty-tens.
What this shows: The chart covers 1981 Q1 to 2014 Q4. It plots Freight tonne-km (indexed) on a vertical axis of Index (first quarter = 100). The latest value is 250.5. Data run through 2014 Q4.